21.3. classmethod(): Create a class method

21.3. `classmethod()`: Create a class method

The purpose of the classmethod() function is to convert a method into a class method. For a discussion of the purpose and usage of class methods, see Section 26.5, “Class methods”.

There are two ways to declare a class method within a class:

You can use the function decorator syntax to declare that classmethod is a decorator for your method. Precede the method definition with a line reading:
```
    @classmethod
     def methodName(cls, ...):
         method body
```
In some older versions of Python without the decorator syntax, you can still declare a class method by placing a line after the method definition, at the same indentation level as the method's def statement, having this form:
```
    methodName = classmethod(methodName)
```

Python 2.7 quick reference

21.3. classmethod(): Create a class method

21.3. `classmethod()`: Create a class method